package com.unisound.tracelog.client.core.support.pool;

import org.apache.commons.lang3.StringUtils;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;


public class TraceLogThreadFactory implements ThreadFactory {
    private static final AtomicInteger poolNumber = new AtomicInteger(1);
    private final ThreadGroup group;
    private final AtomicInteger threadNumber = new AtomicInteger(1);
    private final String namePrefix;

    public TraceLogThreadFactory(String threadName) {
        SecurityManager s = System.getSecurityManager();
        group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();

        if (StringUtils.isEmpty(threadName)) {
            threadName = "pool";
        }

        namePrefix = threadName + "-" + poolNumber.getAndIncrement() + "-thread-";
    }

    public Thread newThread(Runnable r) {
        Thread t = new Thread(group, r, namePrefix + threadNumber.getAndIncrement(), 0);
        if (t.isDaemon())
            t.setDaemon(false);
        if (t.getPriority() != Thread.NORM_PRIORITY)
            t.setPriority(Thread.NORM_PRIORITY);
        return t;
    }
}